Remember those kids who wanted to study only what was on the test? They may have cheated themselves. When it comes to schools, there is a lot of controversy about homework and testing. Homework is popular with parents, but many teachers think that it is unnecessary “busy work” that keep kids from enjoying their free time. But researchers now think there is real value in taking tests.

New research reveals that the simple act of taking a test helps you remember everything you learned, even if it isn’t tested. Tests are more than efficient scoring tools, they are a powerful memory enhancer.
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NASA is aiming its satellites at the North Pole in order to study the drops of water in the clouds there. The mystery they want to solve is: why is there so much water in these clouds that isn’t frozen? Is this one of the causes?or an effect?of global warming?
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Scientists have discovered that dolphins are genetically close to humans. Now they’ve learned that humpback whales have a type of brain cell that is seen only in humans, the great apes, and dolphins, and there may be a very special reason for this.
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Five years ago we posted a story about how the ancient prophets at Delphi in Greece may have been high on natural gas. Now scientists think that the culprit may have been carbon dioxide. Does this mean that the increasing levels of CO2 in OUR atmosphere will produce widespread wisdom? We certainly may need it in the future.
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